Mediatek Mt6855 Firmware vulnerabilities

CVE-2026-20455 High · 7.8 CWE-787 Jun 1, 2026

Out-of-bounds Write in Mediatek Mt6739 Firmware

In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6784.

CVE-2026-20454 Medium · 6.4 CWE-367 Jun 1, 2026

TOCTOU Race Condition in Mediatek Mt8673 Firmware

In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6786.

CVE-2026-20453 Medium · 6.7 CWE-787 Jun 1, 2026

Out-of-bounds Write in Mediatek Mt8673 Firmware

In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10886526; Issue ID: MSV-6791.

CVE-2026-20450 Medium · 6.5 CWE-617 May 4, 2026

In Modem, there is a possible system crash due to incorrect error handling. This could…

In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01753620; Issue ID: MSV-6100.

CVE-2026-20449 Medium · 6.5 CWE-120 May 4, 2026

Classic Buffer Overflow in Mediatek Mt6763 Firmware

In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01760138; Issue ID: MSV-6148.

CVE-2026-20433 High · 8.8 CWE-787 Apr 7, 2026

Out-of-bounds Write in Mediatek Mt2735 Firmware

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01088681; Issue ID: MSV-4460.

CVE-2026-20432 High · 8.0 CWE-787 Apr 7, 2026

Out-of-bounds Write in Mediatek Mt2735 Firmware

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01406170; Issue ID: MSV-4461.